Connected: An Internet Encyclopedia
RFC 1866 - 3.2.3. Names

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### 3.2.3. Names

A name consists of a letter followed by letters, digits, periods, or hyphens. The length of a name is limited to 72 characters by the `NAMELEN' parameter in the SGML declaration for HTML, 9.5, "SGML Declaration for HTML". Element and attribute names are not case sensitive, but entity names are. For example, `<BLOCKQUOTE>', `<BlockQuote>', and `<blockquote>' are equivalent, whereas `&amp;' is different from `&AMP;'.

In a start-tag, the element name must immediately follow the tag open delimiter `<'.

Next: 3.2.4. Attributes

Connected: An Internet Encyclopedia
RFC 1866 - 3.2.3. Names